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Finding the Fourth Proportional to 11,201.44, 16,802.16 and 10,559.92

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Solution

The fourth proportional to 11,201.44, 16,802.16 and 10,559.92 is: 15,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.44 : 16,802.16 = 10,559.92 : x
  2. Step 2: Convert to fraction form
    11,201.44/16,802.16 = 10,559.92/x
  3. Step 3: Cross multiply
    11,201.44x = 16,802.16 × 10,559.92
  4. Step 4: Simplify right side
    11,201.44x = 177,429,465.43
  5. Step 5: Solve for x
    x = 177,429,465.43/11,201.44
  6. Step 6: Final answer
    x = 15,839.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.